天然橡胶复合材料的硫化动力学(英文).pdf

天然橡胶复合材料的硫化动力学(英文).pdf

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1、研究快讯CommunicationC合H成IN橡A胶工SY业NT,H2E0T1I5C07RU—B1B5E,R38I(N4D)U:ST3R26YCurekineticsofionicliquidsmodifiedcarbon-silicadualphasefiller/naturalrubberZHANGXu—min,LIUPeng—zhang,WANGJing—yi,XIONGXin,JIAHong-bing(KeyLaboratoryforSoftChemistryandFunctionalMaterial

2、sofMinistryofEducation,?Ca咄ngUniversityofScienceandTechnology,Natng210094,ChinaIonicliquids(ILs)arenovelsurfacemodifiersofcarbon.basedfill—tothetrendoftherateconstantk.Itmaybeduetothehighconcen—er.andreceivebothacademicandindustrialattentions.Inthiswork.tra

3、tionofthecuringagentsinAMI-CSDPF/NRmatrix.Asmentionedin0upreviouswork[]carbon.silicadualphasefiller(CSDPF)wasmodifiedbyILS:1一allyl一.theAMI.CSDPF/NRhadmorecontent0f3.methy1.imidazoliumchloridefAMI1and1.butly1.3.methy1.imidazo.boundrubber.inwhichthesulfurwasd

4、ificultt0diss01ve[].thus1iumhexafluorophosphate(BMI).AndthemodifiedCSDPF(MCSD.causingthehighconcentrationofcuringagentsinthebulkoftheNRPF)wasincorporatedintonaturalrubber(NR).TheformulationisTherefore,theILscoulddecreasetheEofthevulcanizationofNR.NR100phr,f

5、iller50phr,stearicacid2phr,ZnO3phr,S3phr,Coumaroneindeneresins5phr.antioxidantRD1phr.antioxidantTable2ParametersofGhoreishy’smodelforCSDPF/NR4010NA1phr.iccelerateNS0.5phr.Thecurekineticsofthesesur.compoundsfacemodifiedCSDPF/NRcompoundswasstudied.Thevulcaniz

6、ationcharactersincludingscorchtime(tl0),optimumcuringtime(t90),andthecurerateindex(CRI)aresummarizedinTable1.Itcanbeseenthatthetl0andt90oftheMCSDPF/NRcon—poundsareshorterthanthatofpristineCSDPF/NRcompound.Mcan.while.theCRIofMCSDPF/NRcompoundisincreased.Itco

7、uldbeconcludedthattheILsAMIandBMIacceleratethecureofNR.TableIVulcanizati0ncharacteristiesofCSDPF/NRcompoundsat143℃References:[1]SepehriA,Razzaghi—KashaniM,GhoreishyMHR.Vulcani-zationkineticsofbutylrubber-claynanocompositesanditsde-pendenceonclaymicrostructu

8、re[J].JApplPolymSci,2012,125(S1):E204一E213.[2]WangJingyi,JiaHongbing,DingLifeng,eta1.Themecha-nismofcarbon-Silicadualphasefillermodifiedbyionicliquidanditsreinforcingonnaturalrubber[J].PolymCompos,Them

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